» PostgreSQL 
- Sophisticated open-source Object-Relational DBMS supporting almost all SQL constructs, including subselects, transactions, and user-defined types and functions. Completely free database
» About.com on Postgres - Provides feature articles, net links, forum discussions and a chat room.
» Databases: As The Tables Turn - Tim Perdue article about porting sourceforge code from MySQL to PostreSQL.
» dbengine - A plug 'n play Web interface for PostgreSQL and Oracle.
» DreamCoder - GUI development environment that includes a debugger and a code generator. By Mentat Technologies. [Commercial]
» Embedding R in Postgres - The REmbeddedPostgres package allows you to embed the R interpreter in Postgres and use R functions as if they were built-in SQL functions.
» EnterpriseDB - A relational database management system based on PostgreSQL. It adds compatibility and performance features.
» Guide to Version 7.x Development and Configuration - A side by side comparison to Oracle 8i that can also be read as a stand alone document.
» Interactive SQL - GUI tool for creating SQL queries and managing PostgreSQL databases [commercial].
» MySQL PHP to PostgresSQL - A program that takes a php page that uses mysql calls and changes them into Postgres calls.
» Native PostgreSQL Frontend for Windows - Client applications for Windows including native SQL terminal and backup tools, psql and pg_dump, for executing SQL scripts and accessing PostgreSQL servers remotely.
» Navicat - This client tool enables users to manage multiple databases on local or remote servers easily. This is available for Windows and Mac OS X. (Important: this is not the tool from www.navicat.com)
» 2ndQuadrant - Training and support for development, tuning, and replication. Site includes course outlines, pricing, and schedules.
» NuSphere UltraSQL - NuSphere UltraSQL is a native Windows port of popular PostgreSQL database. [Commercial]
» OCaml - OCaml bindings that allow access to Postgres from the OCaml programming language. [Open Source, LGPL]
» Octave-pg - Octave modules to access PostgreSQL.
» Oracle v. Postgres - Forum discussion comparing Oracle and Postgres.
» Performance Tuning PostgreSQL - This article aims to help demystify PostgreSQL database performance tuning.
» PGAda - Provides a download of a module for Ada enabling access to the database system.
» PGCup - PGCup is a simple Java PostgreSQL administration tool. Currently under development and seeking volunteers. [Berkeley/BSD].
» PGExplorer - A GUI development tool for the Postgres Database Server is persented with screenshot, FAQ, download and costs. [Commercial].
» PhpPgAdmin - Feature list and downloads for a web-based administration tool.[Open Source, GPL]
» PL-J - A stored procedure platform that provides Java and other object oriented language integration.
» PostGIS: Geographic objects for PostgreSQL - Spatially enables the server, allowing it to be used as a backend spatial database for geographic information systems (GIS).
» Postgres on Redhat7.0 - Article from PHPBuilder on obtaining packages, installing and configuring.
» PostgresDAC - Borland Delphi/C++Builder component set for direct access to PostgreSQL without BDE or ODBC.
» PostgresPy Project - An open source software project dedicated to the continual improvement of the relationship between Python and PostgreSQL.
» PostgreSQL Autodoc - Automated creation of PostgreSQL documentation in Dia, Docbook, HTML, and GraphViz formats.
» PostgreSQL Forums - Forums for developers, administrators, and users of the PostgreSQL database.
» PostgreSQL Inc. - Commercial support for the object-relational database management system, PostgreSQL, as well as full database hosting.
» Postgresql Korean Users' Group - Official Homepage of PostgreSQL Korean Users' Group. This site contain documents, patches, user's profiles of PostgreSQL korean users.
» PostgreSQL Manager - Graphical tool for PostgreSQL administration and development.
» PostgreSQL Module for Python - Python module that embeds the PostgreSQL query library.
» PostgreSQL Technical Documentation - Contains community contributed documentation, CBT (Computer Based Training) tutorials, installation guides, technical guides, support contracts, lists of hosting providers, and additional resources.
» PsqlODBC - ODBC driver for Windows. Download, mailing list, documentation, and FAQs.
» pyPgSQL - A Python library for accessing PostgreSQL databases that conforms to the Python DB-API version 2.
» Recursive functions in PostGreSQL PGSQL - An example of how to display a recursive tree in pgsql.
» Red Hat Database - A version of Postgres that has been optimized for the Red Hat Linux distribution.
» A Review by Paragon Corporation - Article that focuses on features that make PostgreSQL different from most relational database management systems.
» Search PostgreSQL Sites - A searchengine for PostgreSQL-Documentation. Sample application for Tsearch2.
» Tsearch2 - Implementation of a new data type tsvector - a searchable data type with indexed access. Documentation and download.
» XPg: PostgreSQL GUI on Java - XPg is an object-oriented platform-neutral editor with a full featured graphical user interface that supports connections to multiple databases [Open Source : GPL].
